package com.aruio.config;

import com.aruio.util.TraceIdUtil;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @Description 日志链路追踪拦截器
 * @Date 2024/9/19 16:09
 * @Created by 10574
 */
@Component
public class LogInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        final String traceId = request.getHeader(TraceIdUtil.TRACE_ID);
        if (!StringUtils.hasText(traceId)) {
            TraceIdUtil.setTraceId(TraceIdUtil.generateTraceId());
        } else {
            TraceIdUtil.setTraceId(traceId);
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        TraceIdUtil.remove();
    }
}
